Peaceful co-existence: Cats and a dogs can live together happily, even in a backpack, as this Romanian couple demonstrate. The pair belong to a protester who was demonstrating against stray-dog culling in Bucharest.

Photo: Andreea Alexandru, Associated Press

Peaceful co-existence: Cats and a dogs can live together happily,...

Peaceful co-existence: Cats and a dogs can live together happily,... Photo-6005978.81751 - SFGate

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Isn't this thing over, yet? A musher crosses a frozen pond between the Shaktoolik and Koyuk checkpoints of Alaska's
Iditarod.

There's no place like Nome: An exhausted Dallas Seavey carries his lead dog, Beatle, after crossing under the burled arch in Nome, Alaska to win the 2014 Iditarod. It was his second victory in the grueling sled dog race.

Photo: Bob Hallinen, McClatchy-Tribune News Service

There's no place like Nome: An exhausted Dallas Seavey carries his...

There's no place like Nome: An exhausted Dallas Seavey... Photo-6005950.81751 - SFGate

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Just a scratch, mate: Bryce Gibbs of the Cronulla Sharks keeps playing despite bleeding
profusely during the round one NRL match between the Sharks and the Gold Coast Titans
at Remondis Stadium in Sydney.

Most 'vapid' craze ever: A smoker exhales vapor from an e-cigarette at the Henley
Vaporium in New York. The proprietors are peddling e-cigarettes to "vapers" in a
growing subculture that now includes celebrity fans and YouTube gurus, online forums
and "vapefests" around the world.

Photo: Frank Franklin II, Associated Press

Most 'vapid' craze ever: A smoker exhales vapor from an e-cigarette...

How does it stack up against Ripley's 'Aliens' exoskeleton? An exhibitor from Skeletonics Inc. demonstrates a robotic skeleton suit for attendees at the South By Southwest (SXSW) Interactive Festival in Austin, Texas.

Photo: David Paul Morris, Bloomberg

How does it stack up against Ripley's 'Aliens' exoskeleton? An...

How does it stack up against Ripley's 'Aliens'... Photo-6005938.81751 - SFGate

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Olive drab is the new black: An Israeli model who serves in the military sits for a makeup session before her turn on the catwalk during a show by Israeli designer Dorin Frankfurt at Tel Aviv Fashion Week.

Photo: Ariel Schalit, Associated Press

Olive drab is the new black: An Israeli model who serves in the...

Olive drab is the new black: An Israeli model who serves in the... Photo-6005990.81751 - SFGate

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Headless horse man: A greeter hands out leaflets on the first day of the Cheltenham Festival in Cheltenham, England. Thousands of jump racing enthusiasts are expected for the four-day festival, which started Tuesday.

Photo: Matt Cardy, Getty Images

Headless horse man: A greeter hands out leaflets on the first day...

Headless horse man: A greeter hands out leaflets on the first day... Photo-6005945.81751 - SFGate

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Remembering the train attack victims: Visitors view the Atocha railway station memorial for the victims of the Madrid train bombings on the 10th anniversary of the attack. At 7:40 a.m. March 11, 2004, 10 bombs exploded on board four packed commuter trains in the Spanish capital, killing 191 people and injuring more than 1,800. Al-Qaidi said the attack was punishment for Spain's role in the U.S.-led invasion of Iraq.

Pit bulls need love too: Cameron Younglove hugs Sook at his kennel near Eudora, Kan. The kennel raises pit bull terriers and other dogs indoors in a family environment and socializes them with other animals to ensure good temperament.

Couple fearing 'charging' cat call 911: An Oregon couple say Lux, their 22-pound Himalayan cat, trapped them in their bedroom after attacking their baby. Portland police had to be called in to subdue the cat, who the family says turned violent after the child pulled his tail. The owner kicked the feline "in the rear" to protect the baby, causing the cat to go "off over the edge." Now the family says they will have a pet psychologist and veterinarian look at Lux, who isn't the only one who needs his head examined.

A nation of fishermen: A Sri Lankan man and boy fish as the sun sets over the Indian Ocean in Colombo. More than 600,000 people on the island country depend on fishing or related industries for their
livelihood.

Photo: Eranga Jayawardena, Associated Press

A nation of fishermen: A Sri Lankan man and boy fish as the sun...

A nation of fishermen: A Sri Lankan man and boy fish as the sun... Photo-6005853.81751 - SFGate